Albert a



(No Model.)

A. A. SANBORN.

(EGLLAR OR 0UP 0F GELLULOIE No. 288,955. Patented Nov. 20, 1888.

N. PETERS Mbthopflvher. wahiegwn. ac.

UNITED STATES PATENT QFFICE ALBERT A. SANBORN, OF NEWARK, NEW JERSEY, ASSIGNOR, BY DIRECT AND MESNE ASSIGNMENTS, TO THE CELLULOID MANUFACTURING COM- PANY, OF NEW YORK, N. Y.

COLLAR OR CUFF OF CELLULOID.

SPECIFICATION forming part of Letters Patent No. 288,955, dated November 20, 1883.

Application filed September 19, 1881. (No model.)

To all whom it may concern.-

Be it known that I, ALBERT A. SANBORN, of Newark, in the county of Essex and State of New Jersey, have invented a new and use- 5 ful improvement in the manufacture of collars or cufis of celluloid or similar plastic material with a hem, of which the following is a specification.

My invention relates to collars and cuffs 10 made from celluloid or other pyroxyline material, with a hem formed by aturned-over edge of the celluloid, 850., giving strength to the article made from this material alone.

Figure l is a plan; Figs. 2 and 3, cross-sec- I 5 tions on line x w on Fig. l.

llhe face portion A has the edges B turned over on the hack of itself and cemented down,

ALBERT A. SANBORN.

Witnesses HORACE HARRIS, S. R. $TEADMAN. 

